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This usually takes 5-15 seconds. We're pulling together fitment data,
OEM numbers, and community knowledge...
Dusting off the service manual...
💡 This page improves over time as the community adds casting photos and confirms fitment
Piston & Rod Set (10-Cylinder)
This usually takes 5-15 seconds. We're pulling together fitment data,
OEM numbers, and community knowledge...
Dusting off the service manual...
💡 This page improves over time as the community adds casting photos and confirms fitment
Quick reference
Verify rod lengths and bearing sizes when swapping parts.
Check for mid-cycle changes that may affect parts compatibility.
JDM vs USDM variations may have slight differences.
Context
The 1991 Nissan 300ZX, equipped with the VG30DETT engine, benefits from high-performance pistons and rods, particularly part numbers 12100-30P00 and 12310-30P00. When sourcing a piston and rod set, consider models from 1990-1996 as they share compatible components. Inspect the pistons for scoring or abnormal wear, as failure often occurs due to detonation. Rods should be checked for straightness and any signs of fatigue. Installation requires precise torque specifications to prevent future engine failure. Common issues include improper seating of pistons which can lead to increased blow-by and engine inefficiency. Always confirm part compatibility, especially if using aftermarket alternatives.
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Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 1991 | Nissan | 300ZX | VG30DETT | 80% |
Available parts

Seller: Marketplace seller
$749
Asking
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